Hydraulic excavator



FIG. 1 is a front, top and left side perspective view of a hydraulic excavator showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged view of grill portion thereof of the part partitioned by A-A and B-B in FIG. 2; and,

FIG. 9 is a cross-sectional view of grill portion thereof taken along line C-C in FIG. 8.

Each approximate hexagon showing in FIG. 8 is opening. Each grill portion's openings pattern unit is same way as shown in FIG. 8 and FIG. 9. 

We claim the ornamental design for a hydraulic excavator, as shown and described. 